1.it is rule and you______obey it strictly
a.should
b.could
c.must
d.needed to
2._____ I come in?
a may
b.will
c.can
d.should
3.l_______swim across the river when I was young.
a.could
b.can
c.should
d.must
4._______you play with us?
a.may
b.can
c.should
d.must
5.it_____not surprise you if you where eyed coldly by the conductor
a.would
b.should
c.could
d.will
6.if you read newspaper,you_____notice that there is definite space for letters.
a.would
b.can
c.could
d.will
7.you______obey the advice of your teacher.
a.should
b.can
c.could
d.will
8.for a better future we_________our forests.
a.may converse
b.can converse
c.could converse
d.must converse
9."______you please open that window?"- she asked politely.
a.could
b.can
c.must
d.shall​